<template>
  <el-pagination
    :current-page.sync="currentPage"
    :page-size.sync="pageSize"
    :layout="layout"
    :page-sizes="pageSizes"
    :total="total"
    v-bind="$attrs"
    @size-change="handleSizeChange"
    @current-change="handleCurrentChange"
  />
</template>

<script>
import { scrollTo } from '@/utils/scroll-to';

export default {
  name: 'BizPagination',
  props: {
    total: {
      required: true,
      type: Number
    },
    page: {
      type: Number,
      default: 1
    },
    limit: {
      type: Number,
      default: 20
    },
    pageSizes: {
      type: Array,
      default() {
        return [10, 20, 30, 50];
      }
    },
    layout: {
      type: String,
      default: 'prev, pager, next, jumper'
    },
    autoScroll: {
      type: Boolean,
      default: true
    },
    hidden: {
      type: Boolean,
      default: false
    }
  },
  computed: {
    currentPage: {
      get() {
        return this.page;
      },
      set(val) {
        this.$emit('update:page', val);
      }
    },
    pageSize: {
      get() {
        return this.limit;
      },
      set(val) {
        this.$emit('update:limit', val);
      }
    }
  },
  methods: {
    handleSizeChange(val) {
      this.$emit('pagination', { page: this.currentPage, limit: val });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    },
    handleCurrentChange(val) {
      this.$emit('pagination', { page: val, limit: this.pageSize });
      if (this.autoScroll) {
        scrollTo(0, 800);
      }
    }
  }
};
</script>

<style scoped type="text/css">
.el-pagination {
  float: right;
  background-color: #fff;
  height: 58px;
  line-height: 58px;
}
.el-pagination >>> button {
  height: 56px;
  line-height: 56px;
}
.el-pagination >>> div {
  height: 56px;
  line-height: 56px;
}
.el-pagination >>> ul {
  height: 56px;
  line-height: 56px;
}
.el-pagination >>> li {
  height: 56px;
  line-height: 56px;
}
</style>
